\[I(t) = R_t \sum_{\tau} g_{\tau} I_{t-\tau}\]
Abbott et al., Wellcome Open Res, 2020
Davies et al., Science, 2021
Nyberg et al., Lancet, 2022
Seaman et al., J Roy Stat Soc, 2022
Knock et al., Sci Trans Med, 2021
UKHSA, 2022
https://covid19nowcasthub.de, led by Johannes Bracher
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